57133777 has 2 divisors, whose sum is σ = 57133778. Its totient is φ = 57133776.

The previous prime is 57133751. The next prime is 57133793. The reversal of 57133777 is 77733175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 221841 = 7544^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 57133777 - 2⁷ = 57133649 is a prime.

It is not a weakly prime, because it can be changed into another prime (57133177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28566888 + 28566889.

It is an arithmetic number, because the mean of its divisors is an integer number (28566889).

Almost surely, 2^57133777 is an apocalyptic number.

It is an amenable number.

57133777 is a deficient number, since it is larger than the sum of its proper divisors (1).

57133777 is an equidigital number, since it uses as much as digits as its factorization.

57133777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108045, while the sum is 40.

The square root of 57133777 is about 7558.6888413269. The cubic root of 57133777 is about 385.1509544663.

The spelling of 57133777 in words is "fifty-seven million, one hundred thirty-three thousand, seven hundred seventy-seven".